Win 7 and Vista from USB

Here I am going to discuss the easiest way to make a USB flash drive bootable so that you can install Win 7 and Win Vista from your USB Flash drive, For this you have to:-
1. A 4GB USB Flash drive.
2. Win 7 or Win Vista DVD as per your requirements. (Please use original software to avoid legal problems).
3. A PC With Win 7 or Win Vista installed.

Now insert your flash drive in the USB port of the PC. Open "My computer" find the flash drive. Right click on it and click "Format" > leave all option same and click "Start". Now click "Yes" wait for some time and you will see the "Format completed Successfully"  Message.

Now Press "Windows logo key" and R at the same time. It will show Run dialogue box. Now type here "cmd".

Or you can go Start>All Programs>Accessories> Command Prompt 

It will open a command prompt where you can type necessary commands. Now follow these steps:-
1. Type DISKPART

2. Now it will change to DISKPART> prompt.

3. Type here LIST DISK  (It will show all Hard Disk and flash drive attached. Here Disk 1 is flash drive with 4 GB capacity.

4. Now type SELECT DISK 1 (It will select Disk 1, here my flash drive. Now all commands will effect on the selected drive).

5. Now type SELECT PARTITION 1

6. Type ACTIVE

Now type exit>exit. 


Copy all files from your Win 7 Disk to your USB Flash drive. Your Flash drive is ready.
You have to select boot device through F12 and F9 or other Key combination to boot from USB Flash.

Follow the Video for easy understanding. 

Comments, suggestions and questions are always welcome.